Green Lake Calvary Church has been a member of IFCA International (Independent Fundamental Churches Of America) since 1964. The churches and individual members of IFCA International cooperate in a spirit of interdependence which may be summarized as follows:
• To strengthen churches toward maturity.
• To work together as healthy churches.
The IFCA International headquarters is located in Grandville (3520 Fairlanes. PO Box 810, Grandville, MI 49568-0810).